Technical data sheet
ZWO FD-M42 II – M42 (T2) Threaded Adapter for Astrophotography
The ZWO FD-M42 II is a precision threaded adapter designed to properly connect cameras, filter wheels, and accessories with an M42 / T2 mount in astrophotography optical trains. It ensures a solid, precise, and perfectly coaxial mechanical coupling, contributing to correct backfocus compliance and maximum image quality.
Main features
- Standard M42 (T2) thread.
- Improved Version II for greater precision.
- CNC aluminum construction.
- Rigid and play-free coupling.
- Perfect for backfocus compliance.
- Compatible with ZWO cameras and accessories.
- Ideal for compact and neat optical trains.
Mechanical precision for quality imaging
The FD-M42 II is suitable for:
- Camera ↔ filter wheel connection
- Configurations with spacers and rotators
- Deep-sky setups and multi-night imaging
- Reduction of tilt and mechanical flexure
A small component that makes a big difference in system stability.
Main technical specifications
| Model | ZWO FD-M42 II |
| Thread | M42 / T2 |
| Material | CNC machined aluminum |
| Usage | Astrophotography |
Ideal for
- ⚙️ M42 / T2 optical trains
- 📸 ZWO astronomical cameras
- 🌌 Deep-sky astrophotography
- 🧩 Compact and well-aligned setups
- 📏 Correct backfocus compliance
Package contents
- ZWO FD-M42 II
For orders over €199.99 throughout Italy!
ZWO FD-M42 II – M42 (T2) Threaded Adapter for Astrophotography
The ZWO FD-M42 II is a precision threaded adapter designed to properly connect cameras, filter wheels, and accessories with an M42 / T2 mount in astrophotography optical trains. It ensures a solid, precise, and perfectly coaxial mechanical coupling, contributing to correct backfocus compliance and maximum image quality.
Main features
- Standard M42 (T2) thread.
- Improved Version II for greater precision.
- CNC aluminum construction.
- Rigid and play-free coupling.
- Perfect for backfocus compliance.
- Compatible with ZWO cameras and accessories.
- Ideal for compact and neat optical trains.
Mechanical precision for quality imaging
The FD-M42 II is suitable for:
- Camera ↔ filter wheel connection
- Configurations with spacers and rotators
- Deep-sky setups and multi-night imaging
- Reduction of tilt and mechanical flexure
A small component that makes a big difference in system stability.
Main technical specifications
| Model | ZWO FD-M42 II |
| Thread | M42 / T2 |
| Material | CNC machined aluminum |
| Usage | Astrophotography |
Ideal for
- ⚙️ M42 / T2 optical trains
- 📸 ZWO astronomical cameras
- 🌌 Deep-sky astrophotography
- 🧩 Compact and well-aligned setups
- 📏 Correct backfocus compliance
Package contents
- ZWO FD-M42 II
For orders over €199.99 throughout Italy!
SKU:ZWO-FD-M42-II
ZWO FD-M42 II – M42 (T2) Threaded Adapter for Astrophotography
- Regular price
- €99,00
- Sale price
- €99,00
- Regular price
-
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ZWO FD-M42 II – M42 (T2) Threaded Adapter for Astrophotography
The ZWO FD-M42 II is a precision threaded adapter designed to properly connect cameras, filter wheels, and accessories with an M42 / T2 mount in astrophotography optical trains. It ensures a solid, precise, and perfectly coaxial mechanical coupling, contributing to correct backfocus compliance and maximum image quality.
Main features
- Standard M42 (T2) thread.
- Improved Version II for greater precision.
- CNC aluminum construction.
- Rigid and play-free coupling.
- Perfect for backfocus compliance.
- Compatible with ZWO cameras and accessories.
- Ideal for compact and neat optical trains.
Mechanical precision for quality imaging
The FD-M42 II is suitable for:
- Camera ↔ filter wheel connection
- Configurations with spacers and rotators
- Deep-sky setups and multi-night imaging
- Reduction of tilt and mechanical flexure
A small component that makes a big difference in system stability.
Main technical specifications
| Model | ZWO FD-M42 II |
| Thread | M42 / T2 |
| Material | CNC machined aluminum |
| Usage | Astrophotography |
Ideal for
- ⚙️ M42 / T2 optical trains
- 📸 ZWO astronomical cameras
- 🌌 Deep-sky astrophotography
- 🧩 Compact and well-aligned setups
- 📏 Correct backfocus compliance
Package contents
- ZWO FD-M42 II
For orders over €199.99 throughout Italy!
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Terms and conditions
Terms and conditions

